Eaton 1MM520R Meter Stack - UL Listed
Part Number: 1MM520R
Quick Summary
The Eaton 1MM520R meter stack provides outdoor residential metering for single-phase service. Installers often contend with weather exposure, space constraints, and main breaker compatibility, which can slow projects and raise costs. UL Listed ensures electrical safety, the outdoor enclosure stands up to harsh environments, and it carries extensive utility approvals across major electric utilities, simplifying permitting and field deployment. This combination supports scalable metering strategies and compliance across residential installations, reducing rework and downtime. For buyers, it delivers reliability and predictable performance from a trusted brand in metering products and low-voltage distribution.
Product Information
Extended Description
1MM520R Eaton: Eaton residential meter stack, Amperage rating: 200A, Bus rating: 800A, Outdoor, Interrupt rating depends on selected main circuit breaker, Single-phase in/single-phase out, Aluminum, 5 Sockets, Ring, 120/240 Vac
Product Name
Eaton residential meter stack
Catalog Number
1MM520R
UPC
782116883844
Product Length/Depth
6.87 in
Product Height
74.96 in
Product Width
13.5 in
Product Weight
96 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Type
Multiple metering
Utility approvals
DC : Atlantic City Electric / Delmarva (Connectiv) DE : Atlantic City Electric / Delmarva (Connectiv) MD : Atlantic City Electric / Delmarva (Connectiv) NJ : Atlantic City Electric / Delmarva (Connectiv) TX : CenterPoint Energy (HL&P/Reliant) NC : Dominion VA : Dominion NM : El Paso Electric TX : El Paso Electric AR : Entergy LA : Entergy MS : Entergy TX : Entergy ID : Idaho Power OR : Idaho Power WA : Seattle City Light AK : Anchorage Municipal Light & Power NV : NV Energy CA : City of Los Angeles - DWP (LADWP) AZ : Southern California Edison CA : Southern California Edison TN : Nashville Electric Service MT : NorthWestern Energy NE : NorthWestern Energy SD : NorthWestern Energy WY : NorthWestern Energy MD : Baltimore Gas and Electric DC : PEPCO MD : PEPCO IN : Indianapolis Power and Light (IP&L) WA : Puget Sound Energy WA : Tacoma Public Utilities
Interrupt rating
Depends on selected main circuit breaker
Enclosure
Outdoor
Bus Rating
800 A
Phase
Single-phase in, single-phase out
Voltage rating
120/240 V
Amperage Rating
200A
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - 1MM520R
Feature: Outdoor weatherproof enclosure → Business Impact: Protects meters and internal components from rain, dust, and temperature swings, extending service life and reducing maintenance intervals. Application: Ideal for outdoor residential metering stacks in harsh environments where enclosure integrity matters. Feature: 200A amperage rating → Business Impact: Aligns with typical residential service demands, enabling reliable single-phase metering without oversizing. Application: Suitable for standard home service installations and retrofit projects.Feature: 120/240V voltage rating → Business Impact: Ensures compatibility with common North American residential feeds, reducing electrical incompatibility risk. Application: Smooth integration into new builds and existing outdoor meter enclosures.Feature: 800A bus rating → Business Impact: Supports multi-meter configurations and future expansion without rework. Application: Utilities and contractors can plan for growth in residential meter stacks.Feature: 5 sockets with ring → Business Impact: Flexible connections for multiple meters or service taps, minimizing cabinet space and wiring complexity. Application: Multi-meter installations in compact footprints.Feature: UL Listed → Business Impact: Provides recognized electrical safety certification, streamlining procurement and code compliance. Application: Purchases align with strict safety standards for residential metering equipment.Feature: Extensive utility approvals → Business Impact: Reduces permitting friction and accelerates deployment across service territories. Application: Field deployments in diverse utility regions, including Atlantic City Electric, CenterPoint Energy, and more.Feature: Outdoor-ready dimensions and weight (6.87 in depth, 74.96 in height, 13.5 in width, 96 lb) → Business Impact: Facilitates planning and mounting in constrained spaces while handling the physical demands of outdoor use. Application: Retrofit projects and new installations in standard outdoor cabinets and meter rooms.
Get a Quick Quote for a Eaton 1MM520R
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton 1MM520R?
Enquire Now
FAQs
The 1MM520R has an interrupt rating that depends on the selected main circuit breaker. When choosing a main breaker, ensure its rating aligns with the 200A service and the bus rating of 800A to maintain safe interrupt performance. Always verify compatibility with the specific Eaton main breaker model used in the installation.
Key specs include an amperage rating of 200A, a bus rating of 800A, voltage rating of 120/240V, and single-phase in/out configuration. The enclosure is outdoor-rated, and the unit houses five sockets with a ring. These specs support standard residential metering needs and straightforward integration with typical home service feeds.
Yes. The unit is designed for outdoor residential metering with a rugged outdoor enclosure, UL Listed safety certification, and broad utility approvals. Its 200A service rating and 800A bus rating support scalable installations in new developments while ensuring compliance with common code and utility requirements.
The product is UL Listed, providing recognized safety certification for electrical components used in residential metering. It also carries extensive utility approvals across numerous service territories, which helps streamline permitting and deployment in diverse regions.
Warranty coverage is Eaton’s policy, offering one year from date of installation or eighteen months from date of shipment, whichever occurs first. Routine maintenance is minimal for this rugged outdoor unit, but ensure periodic inspection of connections and enclosure integrity as part of standard metering asset management.